Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492229 | Vertical boat and a method for making the same | Takashi Tanaka, Jun Yoshikawa, Eiichi Toya, Atsuo Kitazawa, Tatsuo Nozawa +4 more | 1996-02-20 |
| 5016610 | Radiant tube type heater | Toshiaki Itoh, Shigeru Abe | 1991-05-21 |
| 4810526 | Method of coating a recrystallized silicon carbide body with a compact silicon carbide coating | Toshiaki Ito, Masayoshi Yamaguchi | 1989-03-07 |
| 4673435 | Alumina composite body and method for its manufacture | Masayoshi Yamaguchi, Shuitsu Matsuo, Yasumi Sasaki | 1987-06-16 |
| 4670320 | Alumina formed body and method for its manufacture | Masayoshi Yamaguchi, Shuitsu Matsuo, Yasumi Sasaki | 1987-06-02 |
| 4485143 | Silicon carbide material for low-melting point fusion metal | Susumu Inoue, Isao Sakashita, KUNIO HAMAGUCHI | 1984-11-27 |